PSLEA shop sold three brands of pens: Brand Z, Brand A, and Brand B. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $3895 from selling the pens. The prices of Brand Z, Brand A, and Brand B pens were in the ratio 7 : 6 : 1. How much money was collected from selling Brand A pens?
(a)
Number of Brand Z pens sold = 49
Number of Brand A pens sold = 63
Number of Brand B pens sold = 58
Total number of pens sold
= 49 + 63 + 58
= 170
(b)
|
Brand Z |
Brand A |
Brand B |
Number |
49 |
63 |
58 |
Price |
7 u |
6 u |
1 u |
Total value |
343 u |
378 u |
58 u |
Total amount of money collected
= 343 u + 378 u + 58 u
= 779 u
779 u = 3895
1 u = 3895 ÷ 779 = 5
Amount collected from selling Brand A pens
= 378 u
= 378 x 5
= $1890
Answer(s): (a) 170; (b) $1890